221114164 has 24 divisors (see below), whose sum is σ = 395333568. Its totient is φ = 108185280.

The previous prime is 221114161. The next prime is 221114167. The reversal of 221114164 is 461411122.

It is an interprime number because it is at equal distance from previous prime (221114161) and next prime (221114167).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221114161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36067 + ... + 41749.

It is an arithmetic number, because the mean of its divisors is an integer number (16472232).

Almost surely, 2^221114164 is an apocalyptic number.

It is an amenable number.

221114164 is a deficient number, since it is larger than the sum of its proper divisors (174219404).

221114164 is a wasteful number, since it uses less digits than its factorization.

221114164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5895 (or 5893 counting only the distinct ones).

The product of its digits is 384, while the sum is 22.

The square root of 221114164 is about 14869.9080024054. The cubic root of 221114164 is about 604.6984486339.

Adding to 221114164 its reverse (461411122), we get a palindrome (682525286).

The spelling of 221114164 in words is "two hundred twenty-one million, one hundred fourteen thousand, one hundred sixty-four".